When Percy rethinks his decision to leave Calypso, his choice may have unforeseen consequences. Can Percy set things right and defeat the Titans, or is Olympus doomed to fall? Percalypso. *A collaboration between PQ's Nathan and Aish Sheva.*

A/N (Nathan): This is a Percalypso fanfic. It is a collaboration between me (PQ's Nathan) and Aish Sheva/Sheva Das. I would like to thank Athena's Hatchling and percabeth777 for betaing it, antd additional thanks to percabeth777 for inspiring the idea in her Percalypso fanfic, Regret and The Return of Calypso. You can always find the latest version of this fanfic in the fanfiction section of PercyQuest or FanFiction dot net. Please observe the 4 Rs: Read, Reflect, Rate, and Review. And may the Force be with you…oh wait, wrong fandom. May you have the blessing of the gods. There we go!

Prologue:

A Doorman Is In My Bedroom

I looked over at my clock. The digital display read 11:50 pm. I only had ten minutes left of freedom. Ten minutes until I had to decide the fate of the world. I didn't know what the choice I had to make was, but it couldn't be good. I closed my eyes, and then opened them again.

Then I blinked hard, unable to believe what I saw. I even pinched myself. There, standing at the foot of my bed, was a familiar face...or rather, I should say two familiar faces. The two faced man who had introduced himself as Janus inside the Labyrinth last year stood there in his bellhop uniform. Behind him, two doors had appeared in the woodwork.

I wondered what he was doing here; Dionysus had said he joined the Titans. A sudden fear gripped me, chilling me to the bone. Was he going to kill me?

"Wh-What do you want?" I tried to sound brave, but my voice quivered.

"Don't worry, Perseus," said the right face, "We won't hurt you."

"That much," amended the left face.

"What do you want?" I repeated, fear quickly turning to annoyance. If he was here to kill me, I didn't want to have to wait to find out any longer.

"Haven't you figured it out yet?" the left face asked, "I heard you were slow, but I didn't expect you to be this slow. We're the god of choices, which means..."

"You're here to offer me a choice?" I asked.

"Ding, ding, ding! We have a winner."

"Stop being so rude," the right face said. "We want to offer you a way out. Out of the prophecy, to be exact."

"What do you get from this?"

"Listen, boy. We're not here by choice. You made a decision, and now we're granting you the opportunity to redo it. You don't want it, then go through the right door. However, if want to reverse your decision to leave Calypso, take the right. Now hurry up, we don't have all day."

As much as that left head annoyed me, he had said the magic words. Calypso, my biggest "what-if". The idea of seeing Calypso again hit me like a storm. It was something I had obsessed about at camp. I couldn't get her caramel-colored hair that smelled like cinnamon out of my head, her warm smile, her expression when I had told her I was leaving... The days and nights in her garden were some of the best of my life, despite the fact that I had been worrying over the fates of Tyson, Grover, and Annabeth.

Annabeth. She was the one thing stalling me. I didn't know why, but I had started thinking about Annabeth a lot lately. When I asked Paul about it, he muttered something about hormones and said he'd have to ask Mom if she felt it was time for the "The Birds and the Bees" talk. I didn't have the heart to tell him I knew all about it from school.

"Choose," hissed the heads in unison.

I meant to go for the door on the right. I really did. But my feet didn't listen. They went straight to the door on the left. I opened it and stepped into the light. Into the past. Onto Ogygia.

Behind me, the clock read 12:01 AM.

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~Aish Sheva & PQ's Nathan

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